Updated German translations
Merge pull request #70 from Natenom/master

Updated German Translations
Revert back to mumble-g15-helper-based G15 support on Windows.
Fix G15 helper program installation
Load update check option using the correct variable
Fix user what's this help icon -> text mapping
OS X: Update compiler.pri to new Lion toolchain
OS X: Build fixes for Xcode 4.3 (mostly PCH-related)
OS X: Update dist scripts, add --no-server option.
Fix G15 SDK path
Update Opus submodule
Remove hardcoded CA certificates
More G15 SDK path fixes
Include <stdint.h> instead of the HAVE_STDINT_H hack.
OS X: Add more licenses to disk image.
Fix certificate validation with QT 4.8

Changed from setDefaultCaCertificates to addDefaultCaCertificates because
Murmur adds CA certificates in sslCert before calling MumbleSSL::addSystemCA.

Original patch written by Marc Deslauriers <marc.deslauriers@canonical.com>
OCD.
OS X: productbuild-based overlay installer.
Overlay_macx: mv-to-tmp-based uninstall.
OS X: move upgrade variables to upgrade.xml for new productbuild overlay installer.